By Echo Wang, Marwa Rashad and Trevor Hunnicutt DAVOS, Switzerland (Reuters) -U.S. President Donald Trump demanded OPEC lower oil prices and the world drop interest rates in a speech to global business and political leaders and warned them they will face tariffs if they make their products anywhere but the U.

The president says he wants Opec and Saudi Arabia to bring down the price of oil which he says is fuelling the Russia-Ukraine war.

Crude oil futures fall as Trump urges Saudi Arabia to lower prices, potentially increasing output. Impact on global growth and U.S.